    New chain ID            Original chain ID

9pc8-pdb-bundle1.pdb:
           f                         f
           h                         h
           n                         n
           o                         o
           j                         j
           d                         d
           A                         A
           p                         p
           a                         a
           b                         b
           c                         c
           e                         e
           g                         g
           i                         i
           k                         k
           l                         l
           m                         m
